CN105720867B - A kind of BLDCM Drive System - Google Patents

A kind of BLDCM Drive System Download PDF

Info

Publication number
CN105720867B
CN105720867B CN201610230340.2A CN201610230340A CN105720867B CN 105720867 B CN105720867 B CN 105720867B CN 201610230340 A CN201610230340 A CN 201610230340A CN 105720867 B CN105720867 B CN 105720867B
Authority
CN
China
Prior art keywords
semiconductor
oxide
metal
drain electrode
grid
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201610230340.2A
Other languages
Chinese (zh)
Other versions
CN105720867A (en
Inventor
黄海峰
王从宁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujian Hong Xun Electronics Co., Ltd.
Original Assignee
Fujian Hong Xun Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fujian Hong Xun Electronics Co Ltd filed Critical Fujian Hong Xun Electronics Co Ltd
Priority to CN201610230340.2A priority Critical patent/CN105720867B/en
Publication of CN105720867A publication Critical patent/CN105720867A/en
Application granted granted Critical
Publication of CN105720867B publication Critical patent/CN105720867B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
    • H02P6/08—Arrangements for controlling the speed or torque of a single motor
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P21/00—Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
    • H02P6/06—Arrangements for speed regulation of a single motor wherein the motor speed is measured and compared with a given physical value so as to adjust the motor speed
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P80/00—Climate change mitigation technologies for sector-wide applications
    • Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Ac Motors In General (AREA)
  • Inverter Devices (AREA)

Abstract

A kind of BLDCM Drive System, it is characterized in that, including being electrically connected transformer with city, transformer connects AC/DC rectifiers, the AC/DC rectifiers connect voltage-stablizer, and the voltage-stablizer connects inverter, and the inverter connects brshless DC motor, the inverter is controlled by inverter control circuit, and the voltage-stablizer is linear voltage regulator.It can stablize the input voltage of inverter, while the perfect control strategy of inverter, ensure that brshless DC motor lower power consumption in operation process, efficiency improves.

Description

A kind of BLDCM Drive System
Technical field
The present invention relates to electrical equipment control field more particularly to a kind of BLDCM Drive Systems.
Background technology
With the fast development of Microcomputer Controling Technique, successively succeeded in developing in relevant control engineering field A collection of electronic type soft starting controller, is widely used in the starting process of motor, and reduced voltage starter is substituted therewith.Current electricity The soft start facility of minor all uses the regulating circuit of thyristor, and circuit is formed as described below：Thyristor six, two It is connected serially on three phase mains after two inverse parallels, after system sends start signal, microcomputer controls starter system immediately into line number According to calculating, thyristor is enabled to convey trigger signal, is controlled the angle of flow of thyristor, according to given output, adjust output Voltage realizes the control of motor.
In reality, in the case of many kinds when brshless DC motor is started, first alternating current is depressured, AC/DC turns It changes, then by inverter, the control and driving of motor is gone by being realized to the control of inverter.
However existing driving control system has the following problems, the input voltage of inverter is not sufficiently stable that there are larger Ripple, by the processing of inverter, the ripple can be amplified.This means that the unstable of inverter input voltage results in output In the presence of very big fluctuation, so as to cause motor, power consumption increases in operation process, inefficiency, phenomena such as being short of power.
Invention content
In order to solve the above-mentioned technical problem, the present invention proposes a kind of BLDCM Drive System, it being capable of stable inversion Become the input voltage of device, while the perfect control strategy of inverter, ensure that brshless DC motor power consumption in operation process It reduces, efficiency improves.
To achieve these goals, the scheme that uses of the present invention is：
A kind of BLDCM Drive System, including being electrically connected transformer with city, transformer connects AC/DC rectifiers, The AC/DC rectifiers connect voltage-stablizer, and the voltage-stablizer connects inverter, and the inverter connects brshless DC motor, institute Inverter is stated to be controlled by inverter control circuit；The voltage-stablizer includes metal-oxide-semiconductor M9、M0、Ma6、M7、M8、Ma1And Mp, it is described Metal-oxide-semiconductor M9、M0、Ma6、M7、M8、Ma1And MpSource electrode meet power vd D, the grounded drain of the metal-oxide-semiconductor, the metal-oxide-semiconductor M9's Grid connection metal-oxide-semiconductor M0Grid, the metal-oxide-semiconductor M0Drain electrode meet metal-oxide-semiconductor M1Source electrode, the metal-oxide-semiconductor M1Drain electrode connection Metal-oxide-semiconductor M3Drain electrode, the metal-oxide-semiconductor M3Source electrode ground connection；The metal-oxide-semiconductor M1Source electrode connection metal-oxide-semiconductor M2Source electrode, the MOS Pipe M2Drain electrode connection metal-oxide-semiconductor M4Drain electrode, the metal-oxide-semiconductor M2Grid connection reference voltage VREF, the metal-oxide-semiconductor M4Grid Connect metal-oxide-semiconductor M3Grid, the metal-oxide-semiconductor M3Grid connection M3Drain electrode, the metal-oxide-semiconductor M4Source electrode ground connection, the MOS Pipe M4Drain electrode connection metal-oxide-semiconductor M5Grid, the metal-oxide-semiconductor M5Source electrode ground connection, the metal-oxide-semiconductor M7Drain electrode connection M5Leakage Pole, the metal-oxide-semiconductor M7Drain electrode connection M7Grid, the metal-oxide-semiconductor M8Drain electrode connection metal-oxide-semiconductor M6Drain electrode, the metal-oxide-semiconductor M6 Grid connection M4Grid, the metal-oxide-semiconductor M6Grid and drain electrode between connection capacitance CF, the metal-oxide-semiconductor M6Source electrode connect Ground, metal-oxide-semiconductor Ma4Source electrode meet power vd D, the metal-oxide-semiconductor Ma4Grid connection Ma6Grid, the drain electrode of the metal-oxide-semiconductor Ma4 with Grid short circuit, the metal-oxide-semiconductor Ma4Drain electrode connection metal-oxide-semiconductor Ma3Drain electrode, the metal-oxide-semiconductor Ma3Source electrode ground connection, the metal-oxide-semiconductor Ma1Grid connection M8Drain electrode, the metal-oxide-semiconductor Ma1Drain electrode connection metal-oxide-semiconductor Ma2Drain electrode, the metal-oxide-semiconductor Ma2Drain electrode with Grid short circuit, the metal-oxide-semiconductor Ma2Source electrode ground connection, the metal-oxide-semiconductor MpDrain electrode pass sequentially through R1With R2Ground connection, the metal-oxide-semiconductor M2 Pass through capacitance CMConnect MpDrain electrode, the resistance R1With resistance R2Between node connection M1Grid, the metal-oxide-semiconductor MpLeakage Pole connects voltage output end.
The inverter control circuit includes：Mathematical model unit, the mathematical model unit pass sequentially through coordinate conversion Device, magnetic linkage Automatic Control Unit, switching signal selecting unit connection inverter；The magnetic linkage Automatic Control Unit and switching signal selecting unit Between be connected with nought state module, the coordinate converter passes sequentially through magnetic linkage amplitude Component units and is connect out with flux regulating device OFF signal selecting unit, the mathematical model unit pass through torque controller connecting valve signal behavior unit, the torque tune Section device connects speed regulator and frequency regulator respectively.
The speed regulator includes：The speed probe being connect with brshless DC motor, the speed probe are adopted The actual speed of collection seeks rotating speed difference with setting speed, and the rotating speed difference obtains rotating speed difference rate by differential circuit, turns Speed difference value obtains torque Tg by fuzzy control unit respectively with rotating speed difference rate, connects Direct Torque Control unit, directly Torque controlling unit connects brshless DC motor.
The voltage-stablizer, inverter, inverter control circuit are integrated on same pcb board.
The voltage-stablizer is integrated on the first pcb board, and the inverter is integrated on the second pcb board, the inverter control Circuit processed is integrated on third pcb board.
Brushless direct current motor controller is further included, for setting speed.
The invention has the advantages that voltage-stablizer is controlled using linear voltage regulator, the upper punching of output voltage is avoided Phenomenon can effectively ensure that the stability of output voltage, while use Strategy of Direct Torque Control controls inverter, So that the adjusting fast and stable of motor is low in energy consumption, it is efficient.
Fuzzy control strategy is employed during rotational speed regulation, Multiple factors are reduced to two factors obtains setting turn Square Tg, simplifies analytic process so that entire Control system architecture is simple.
Description of the drawings
The structure diagram of Fig. 1 present invention；
Fig. 2 voltage regulator circuit figures；
Fig. 3 inverter control circuits；
Fig. 4 rotating speed tune machine circuits.
Specific embodiment
In order to be better understood by technical scheme of the present invention, the invention will be further described below in conjunction with the accompanying drawings.
As shown in Figs. 1-2, a kind of BLDCM Drive System, including being electrically connected transformer, transformer connection with city AC/DC rectifiers, the AC/DC rectifiers connect voltage-stablizer, and the voltage-stablizer connects inverter, and the inverter connection is brushless Direct current generator, the inverter are controlled by inverter control circuit；The voltage-stablizer includes metal-oxide-semiconductor M9、M0、Ma6、M7、M8、Ma1With And Mp, the metal-oxide-semiconductor M9、M0、Ma6、M7、M8、Ma1And MpSource electrode meet power vd D, the grounded drain of the metal-oxide-semiconductor is described Metal-oxide-semiconductor M9Grid connection metal-oxide-semiconductor M0Grid, the metal-oxide-semiconductor M0Drain electrode meet metal-oxide-semiconductor M1Source electrode, the metal-oxide-semiconductor M1Leakage Pole connection metal-oxide-semiconductor M3Drain electrode, the metal-oxide-semiconductor M3Source electrode ground connection；The metal-oxide-semiconductor M1Source electrode connection metal-oxide-semiconductor M2Source electrode, The metal-oxide-semiconductor M2Drain electrode connection metal-oxide-semiconductor M4Drain electrode, the metal-oxide-semiconductor M2Grid connection reference voltage VREF, the metal-oxide-semiconductor M4Grid connection metal-oxide-semiconductor M3Grid, the metal-oxide-semiconductor M3Grid connection M3Drain electrode, the metal-oxide-semiconductor M4Source electrode ground connection, The metal-oxide-semiconductor M4Drain electrode connection metal-oxide-semiconductor M5Grid, the metal-oxide-semiconductor M5Source electrode ground connection, the metal-oxide-semiconductor M7Drain electrode connection M5Drain electrode, the metal-oxide-semiconductor M7Drain electrode connection M7Grid, the metal-oxide-semiconductor M8Drain electrode connection metal-oxide-semiconductor M6Drain electrode, it is described Metal-oxide-semiconductor M6Grid connection M4Grid, the metal-oxide-semiconductor M6Grid and drain electrode between connection capacitance CF, the metal-oxide-semiconductor M6's Source electrode is grounded, metal-oxide-semiconductor Ma4Source electrode meet power vd D, the metal-oxide-semiconductor Ma4Grid connection Ma6Grid, the metal-oxide-semiconductor Ma4's Drain electrode and grid short circuit, the metal-oxide-semiconductor Ma4Drain electrode connection metal-oxide-semiconductor Ma3Drain electrode, the metal-oxide-semiconductor Ma3Source electrode ground connection, it is described Metal-oxide-semiconductor Ma1Grid connection M8Drain electrode, the metal-oxide-semiconductor Ma1Drain electrode connection metal-oxide-semiconductor Ma2Drain electrode, the metal-oxide-semiconductor Ma2Leakage Pole and grid short circuit, the metal-oxide-semiconductor Ma2Source electrode ground connection, the metal-oxide-semiconductor MpDrain electrode pass sequentially through R1With R2Ground connection, the MOS Pipe M2 passes through capacitance CMConnect MpDrain electrode, the resistance R1With resistance R2Between node connection M1Grid, the metal-oxide-semiconductor Mp Drain electrode connect voltage output end.I in Fig. 2 is the electric current for flowing through metal-oxide-semiconductor M9.
As shown in figure 3, the inverter control circuit includes：Mathematical model unit, the mathematical model unit lead to successively Cross coordinate converter, magnetic linkage Automatic Control Unit, switching signal selecting unit connection inverter；The magnetic linkage Automatic Control Unit is believed with switch Nought state module is connected between number selecting unit, the coordinate converter passes sequentially through magnetic linkage amplitude Component units and magnetic linkage tune Save device connecting valve signal behavior unit, the mathematical model unit by torque controller connecting valve signal behavior unit, The torque controller connects speed regulator and frequency regulator respectively.
As shown in figure 4, the speed regulator includes：The speed probe being connect with brshless DC motor, the rotating speed The actual speed that sensor is acquired seeks rotating speed difference with setting speed, and the rotating speed difference obtains speed discrepancy by differential circuit It is worth rate, rotating speed difference obtains torque Tg by fuzzy control unit respectively with rotating speed difference rate, and torque Tg connections directly turn Square control unit, Direct Torque Control unit connection brshless DC motor.
The voltage-stablizer, inverter, inverter control circuit are integrated on same pcb board.All circuits are integrated in So that entire control structure is simple on one circuit, space is saved.
The voltage-stablizer is integrated on the first pcb board, and the inverter is integrated on the second pcb board, the inverter control Circuit processed is integrated on third pcb board.It is to exchange the independence in structure for sacrifice space relative to this design, in a work( Energy plate only needs to carry out the more pcb board when something goes wrong rather than replaces entire control panel.This design reduces motors Maintenance cost saves resource.
Above-mentioned, although the foregoing specific embodiments of the present invention is described with reference to the accompanying drawings, not protects model to the present invention The limitation enclosed, those skilled in the art should understand that, based on the technical solutions of the present invention, those skilled in the art are not Need to make the creative labor the various modifications or changes that can be made still within protection scope of the present invention.

Claims (6)

1. a kind of BLDCM Drive System, it is characterized in that, including being electrically connected transformer, transformer connection AC/DC with city Rectifier, the AC/DC rectifiers connect voltage-stablizer, and the voltage-stablizer connects inverter, and the inverter connects brushless direct-current Motor, the inverter are controlled by inverter control circuit；The voltage-stablizer includes metal-oxide-semiconductor M9、M0、Ma6、M7、M8、Ma1And Mp, the metal-oxide-semiconductor M9、M0、Ma6、M7、M8、Ma1And MpSource electrode meet power vd D, the metal-oxide-semiconductor M9Grounded drain, it is described Metal-oxide-semiconductor M9Grid with drain electrode connect, the metal-oxide-semiconductor Ma6Drain electrode connection metal-oxide-semiconductor M2Source electrode, the metal-oxide-semiconductor M9Grid connect Meet metal-oxide-semiconductor M0Grid, the metal-oxide-semiconductor M0Drain electrode meet metal-oxide-semiconductor M1Source electrode, the metal-oxide-semiconductor M1Drain electrode connection metal-oxide-semiconductor M3's Drain electrode, the metal-oxide-semiconductor M3Source electrode ground connection；The metal-oxide-semiconductor M1Source electrode connection metal-oxide-semiconductor M2Source electrode, the metal-oxide-semiconductor M2Leakage Pole connection metal-oxide-semiconductor M4Drain electrode, the metal-oxide-semiconductor M2Grid connection reference voltage VREF, the metal-oxide-semiconductor M4Grid connection MOS Pipe M3Grid, the metal-oxide-semiconductor M3Grid connection M3Drain electrode, the metal-oxide-semiconductor M4Source electrode ground connection, the metal-oxide-semiconductor M4Leakage Pole connection metal-oxide-semiconductor M5Grid, the metal-oxide-semiconductor M5Source electrode ground connection, the metal-oxide-semiconductor M7Drain electrode connection M5Drain electrode, it is described Metal-oxide-semiconductor M7Drain electrode connection M7Grid, the metal-oxide-semiconductor M7Grid and metal-oxide-semiconductor M8Grid connection, the metal-oxide-semiconductor M8Leakage Pole connection metal-oxide-semiconductor M6Drain electrode, the metal-oxide-semiconductor M6Grid connection M4Grid, the metal-oxide-semiconductor M6Grid and drain electrode between Connect capacitance CF, the metal-oxide-semiconductor M6Source electrode ground connection, metal-oxide-semiconductor Ma4Source electrode meet power vd D, the metal-oxide-semiconductor Ma4Grid connection Ma6Grid, the drain electrode of the metal-oxide-semiconductor Ma4 and grid short circuit, the metal-oxide-semiconductor Ma4Drain electrode connection metal-oxide-semiconductor Ma3Drain electrode, institute State metal-oxide-semiconductor Ma3Source electrode ground connection, the metal-oxide-semiconductor Ma1Grid connection M8Drain electrode, the metal-oxide-semiconductor Ma1Drain electrode connection metal-oxide-semiconductor Ma2Drain electrode, the metal-oxide-semiconductor Ma2Drain electrode and grid short circuit, the metal-oxide-semiconductor Ma2Source electrode ground connection, the metal-oxide-semiconductor MpGrid Connect the metal-oxide-semiconductor M8Drain electrode, the metal-oxide-semiconductor MpDrain electrode pass sequentially through resistance R1With resistance R2Ground connection, the metal-oxide-semiconductor M2's Drain electrode passes through capacitance CMConnect MpDrain electrode, the resistance R1With resistance R2Between node connection M1Grid, the metal-oxide-semiconductor Mp Drain electrode connect voltage output end.
2. a kind of BLDCM Drive System as described in claim 1, it is characterized in that, the inverter control circuit packet It includes：Mathematical model unit, the mathematical model unit pass sequentially through coordinate converter, magnetic linkage Automatic Control Unit, switching signal selection Unit connects inverter；Nought state module, the seat are connected between the magnetic linkage Automatic Control Unit and switching signal selecting unit Mark converter passes sequentially through magnetic linkage amplitude Component units and flux regulating device connecting valve signal behavior unit, the mathematical model Unit connects speed regulator and frequency respectively by torque controller connecting valve signal behavior unit, the torque controller Adjuster.
3. a kind of BLDCM Drive System as claimed in claim 2, it is characterized in that, the speed regulator includes： The speed probe being connect with brshless DC motor, the actual speed that the speed probe is acquired seek rotating speed with setting speed Difference, the rotating speed difference obtain rotating speed difference rate by differential circuit, and rotating speed difference passes through respectively with rotating speed difference rate Fuzzy control unit connects Direct Torque Control unit, Direct Torque Control unit connection brshless DC motor.
4. a kind of BLDCM Drive System as claimed in claim 3, it is characterized in that, the voltage-stablizer, inverter is inverse Become device control circuit to be integrated on same pcb board.
5. a kind of BLDCM Drive System as claimed in claim 3, it is characterized in that, the voltage-stablizer is integrated in first On pcb board, the inverter is integrated on the second pcb board, and the inverter control circuit is integrated on third pcb board.
6. a kind of BLDCM Drive System as described in claim 4 or 5, it is characterized in that, further include brushless dc Machine controller, for setting speed.
CN201610230340.2A 2016-04-14 2016-04-14 A kind of BLDCM Drive System Active CN105720867B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610230340.2A CN105720867B (en) 2016-04-14 2016-04-14 A kind of BLDCM Drive System

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610230340.2A CN105720867B (en) 2016-04-14 2016-04-14 A kind of BLDCM Drive System

Publications (2)

Publication Number Publication Date
CN105720867A CN105720867A (en) 2016-06-29
CN105720867B true CN105720867B (en) 2018-06-29

Family

ID=56159900

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610230340.2A Active CN105720867B (en) 2016-04-14 2016-04-14 A kind of BLDCM Drive System

Country Status (1)

Country Link
CN (1) CN105720867B (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1290996A (en) * 1994-07-25 2001-04-11 大金工业株式会社 High efficient motor device and method for controlling motor
CN103138558A (en) * 2011-12-05 2013-06-05 美固电子(深圳)有限公司 Alternating current /direct current (AC/DC) dual-purpose compressor speed setting controller
JP2013158219A (en) * 2012-01-31 2013-08-15 Nippon Densan Corp Motor unit
CN104038114A (en) * 2014-06-09 2014-09-10 江苏仁源电气有限公司 Sine-wave voltage driving system of single-winding brushless direct current motor and control method thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1290996A (en) * 1994-07-25 2001-04-11 大金工业株式会社 High efficient motor device and method for controlling motor
EP1083649B1 (en) * 1994-07-25 2003-12-03 Daikin Industries, Limited Motor system capable of obtaining high efficiency and method for controlling a motor
CN103138558A (en) * 2011-12-05 2013-06-05 美固电子(深圳)有限公司 Alternating current /direct current (AC/DC) dual-purpose compressor speed setting controller
JP2013158219A (en) * 2012-01-31 2013-08-15 Nippon Densan Corp Motor unit
CN104038114A (en) * 2014-06-09 2014-09-10 江苏仁源电气有限公司 Sine-wave voltage driving system of single-winding brushless direct current motor and control method thereof

Also Published As

Publication number Publication date
CN105720867A (en) 2016-06-29

Similar Documents

Publication Publication Date Title
CN102106070B (en) AC-DC converter, air conditioner, and heat pump-type hot-water supply device
JP4893251B2 (en) Matrix converter and device equipped with the same
CN100521504C (en) System and method for increasing output horsepower and efficiency in a motor
US9490705B2 (en) Inverter device and air conditioner
CN108071600B (en) Electronic commutation fan system
CN103314513A (en) Power conversion device
JP5928946B2 (en) Rectification circuit and motor drive device using the same
JP2008086107A (en) Motor drive controller
CN105610351B (en) A kind of double-motor driving device
US20100213886A1 (en) Energy-saving controller for three-phase induction motors
CN104995831A (en) AC to AC converter and method of operation thereof for soft starting motors and other applications
CN108667311A (en) The frequency-variable controller and air conditioner of three phase mains
CN105720867B (en) A kind of BLDCM Drive System
JP5923386B2 (en) Converter device and motor driving device using the same
CN105790647B (en) A kind of drive control system of permanent-magnetic brushless DC motor
CN206432928U (en) A kind of single-phase motor variable frequency drive
CN105515463A (en) Direct-current brushless motor driving system
JP2002330588A (en) Converter device
JP7490089B2 (en) Air conditioners
JP3670955B2 (en) Power factor correction circuit
JPH11136994A (en) Three-phase induction motor driver
JP5158579B2 (en) Fan power supply circuit and control method
CN104362861A (en) Method and device for controlling driving frequency of compressor
Rao et al. Sepic converter FED BLDC drive with closed loop speed control
WO2024219266A1 (en) Converter device, air-conditioning device provided with converter device, and method for controlling converter device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right
TA01 Transfer of patent application right

Effective date of registration: 20180301

Address after: Erythrina road Tong Jie Fengze District Quanzhou city Fujian province 362000 No. 30 Sea Club Building 5 floor DEF

Applicant after: Fujian Hong Xun Electronics Co., Ltd.

Address before: Erythrina road middle gard Quanzhou Fengze District 362000 Building 5 floor of Fujian Province

Applicant before: QUANZHOU HONGXUN ELECTRONICS CO., LTD.

GR01 Patent grant
GR01 Patent grant
CP02 Change in the address of a patent holder
CP02 Change in the address of a patent holder

Address after: 362000 No. 168 Xunfeng Road, Xunmei Industrial Zone, Chengdong Street, Fengze District, Quanzhou City, Fujian Province

Patentee after: Fujian Hong Xun Electronics Co., Ltd.

Address before: Erythrina road Tong Jie Fengze District Quanzhou city Fujian province 362000 No. 30 Sea Club Building 5 floor DEF

Patentee before: Fujian Hong Xun Electronics Co., Ltd.